Gradient’s parameters:

Choose the already well known Ellipse Tool (U) to draw a flare on the logo’s surface.
After that select the Delete Anchor Point Tool to move off the circle’s top. The Convert Pont Tool will be helpful in correcting the circle’s shape.

The layer’s parameters:
Fill 0% on the layers.
Blending Options>Gradient Overlay

Gradient’s parameters:

The logo is finally drawn!